Q: Is 478,121 a Prime Number?
A: No, 478,121 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 478121 can be evenly divided by 1 7 167 409 1,169 2,863 68,303 and 478,121, with no remainder.
Since 478,121 cannot be divided by just 1 and 478,121, it is not a prime number.